Neutrons were discovered by?

  • A James Chadwick
  • B Ernest Rutherford
  • C J.J Thompson
  • D John Dalton

The correct answer is A. James Chadwick

- Sir James Chadwick, was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932. 

- Ernest Rutherford postulated the nuclear structure of the atom, discovered alpha and beta rays, and proposed the laws of radioactive decay.

- Sir Joseph John Thomson was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered. 

- John Dalton was an English chemist, physicist and meteorologist. He is best known for introducing the atomic theory into chemistry

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